Toyota Prius Prime (2022 year). Manual in english — page 17

The mechanical key can only be
inserted in one direction, as the
key only has grooves on one side.
If the key cannot be inserted in a
lock cylinder, turn it over and re-
attempt to insert it.
After using the mechanical key, store it in the electronic key. Carry the
mechanical key together with the electronic key. If the electronic key bat-
tery is depleted or the entry function does not operate properly, you will
need the mechanical key. (



P. 708)

■

Panic mode

■

If you lose your mechanical keys

New genuine mechanical keys can be made by your Toyota dealer using
another mechanical key and the key number stamped on your key number
plate. Keep the plate in a safe place such as your wallet, not in the vehicle.

■

When riding in an aircraft

When bringing an electronic key onto an aircraft, make sure you do not press
any buttons on the electronic key while inside the aircraft cabin. If you are
carrying an electronic key in your bag etc., ensure that the buttons are not
likely to be pressed accidentally. Pressing a button may cause the electronic
key to emit radio waves that could interfere with the operation of the aircraft.

Using the mechanical key

Release
lever

When

is pressed for longer than

about one second, an alarm will sound
intermittently and the vehicle lights will
flash to deter any person from trying to
break into or damage your vehicle.
To stop the alarm, press any button on the
electronic key.

IO41PH003

276

4-1. Key information

■

Electronic key battery depletion

●

The standard battery life is 1 to 2 years.

●

If the battery becomes low, an alarm will sound in the cabin and a message
will be displayed on the multi-information display when the hybrid system
stops.

●

As the electronic key always receives radio waves, the battery will become
depleted even if the electronic key is not used. The following symptoms indi-
cate that the electronic key battery may be depleted. Replace the battery
when necessary. (



P. 644)

• The smart key system or the wireless remote control does not operate.
• The detection area becomes smaller.
• The LED indicator on the key surface does not turn on.
You can replace the battery by yourself (



P. 644). However, as there is a

danger that the electronic key may be damaged, it is recommended that
replacement is carried out by your Toyota dealer.

●

To avoid serious deterioration, do not leave the electronic key within 3 ft.
(1 m) of the following electrical appliances that produce a magnetic field:
• TVs
• Personal computers
• Cellular phones, cordless phones and battery chargers
• Table lamps
• Induction cookers

277

4-1. Key information

Op
eration

f each

compo

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t

■

If a message regarding the state of the electronic key or power switch
mode, etc. is shown

To prevent trapping the electronic key inside the vehicle, leaving the vehicle
without turning off the power switch or other passengers from unintentionally
taking the key out of the vehicle, etc., a message that prompts the user to
confirm the state of the electronic key or power switch mode may be shown
on the multi-information display. In those cases, follow the instructions on the
display immediately.

■

If “Key Battery Low Replace Key Battery” is displayed on the multi-infor-
mation display

The electronic key has a low battery. Replace the electronic key battery.
(



P. 644)

■

Replacing the battery



P. 644

■

Confirmation of the registered key number

The number of keys already registered to the vehicle can be confirmed. Ask
your Toyota dealer.

■

If “A New Key has been Registered Contact Your Dealer for Details” is
displayed on the multi-information display

This message will be displayed each time the driver’s door is opened when
the doors are unlocked from the outside for approximately 10 days after a
new electronic key has been registered.
If this message is displayed but you have not had a new electronic key regis-
tered, ask your Toyota dealer to check if an unknown electronic key (other
than those in your possession) has been registered.

■

If a wrong key is used

The key cylinder rotates freely to isolate inside mechanism.

278

4-1. Key information

NOTICE

■

To prevent key damage

●

Do not drop the keys, subject them to strong shocks or bend them.

●

Do not expose the keys to high temperatures for long periods of time.

●

Do not get the keys wet or wash them in an ultrasonic washer etc.

●

Do not attach metallic or magnetic materials to the keys or place the keys
close to such materials.

●

Do not disassemble the keys.

●

Do not attach a sticker or anything else to the surface of the electronic key.

●

Do not place the keys near objects that produce magnetic fields, such as
TVs, audio systems and induction cookers.

●

Do not place the keys near medical electrical equipment such as low-fre-
quency therapy equipment or microwave therapy equipment, and do not
receive medical attention with the keys on your person.

■

Carrying the electronic key on your person

Carry the electronic key 3.9 in. (10 cm) or more away from electric appli-
ances that are turned on. Radio waves emitted from electric appliances
within 3.9 in. (10 cm) of the electronic key may interfere with the key, caus-
ing the key to not function properly.

■

In case of a smart key system malfunction or other key-related prob-
lems

Take your vehicle with all the electronic keys provided with your vehicle to
your Toyota dealer.

■

When an electronic key is lost

If the electronic key remains lost, the risk of vehicle theft increases signifi-
cantly. Visit your Toyota dealer immediately with all remaining electronic
keys that were provided with your vehicle.

279

4-2. Opening, closing and locking the doors

Op
eration

f each

compo

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t

Side doors

◆

Smart key system

Carry the electronic key to enable this function.

Grip the driver’s door handle
to unlock the door. Holding
the driver’s door handle for
approximately 2 seconds
unlocks all the doors.
Some models, grip the front
passenger’s door handle to
unlock all the doors

Make sure to touch the sensor on the back of the handle.
The doors cannot be unlocked for 3 seconds after the doors are locked.

: The door unlock settings can be changed. (



P. 283)

Touch the lock sensor (the indentation on the surface of the front
door handle) to lock the doors.

Check that the door is securely locked.

The vehicle can be locked and unlocked using the entry func-
tion, wireless remote control or door lock switches.

Unlocking and locking the doors from the outside

280

4-2. Opening, closing and locking the doors

◆

Wireless remote control

Locks all the doors

Check that the door is securely
locked.

Unlocks all the doors

Pressing the button unlocks the
driver’s door. Pressing the but-
ton again within 3 seconds
unlocks the other doors.
Press and hold to open the side
windows.

: This setting must be customized at your Toyota dealer.

■

Operation signals

Doors:
A buzzer sounds and the emergency flashers flash to indicate that the doors
have been locked/unlocked. (Locked: Once; Unlocked: Twice)
Side windows:
A buzzer sounds to indicate that the side windows are operating.

■

Security feature

If a door is not opened within approximately 60 seconds after the vehicle is
unlocked, the security feature automatically locks the vehicle again.

■

When the door cannot be locked by the lock sensor on the surface of the
door handle

■

Door lock buzzer

If an attempt to lock the doors is made when a door is not fully closed, a
buzzer sounds continuously for 5 seconds. Fully close the door to stop the
buzzer, and lock the vehicle once more.

■

If the smart key system or the wireless remote control does not operate
properly

●

Use the mechanical key to lock and unlock the doors. (



P. 708)

●

Replace the key battery with a new one if it is depleted. (



P. 644)

When the door cannot be locked even if
the lock sensor on the surface of the door
handle is touched by a finger, touch the
lock sensor with the palm.
When gloves are being worn, remove the
gloves.

281

4-2. Opening, closing and locking the doors

Op
eration

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t

◆

Door lock switches

Locks all the doors
Unlocks all the doors

◆

Inside lock buttons

Locks the door
Unlocks the door

The front doors can be opened
by pulling the inside handle
even if the lock buttons are in
the lock position.

Move the inside lock button to the lock position.
Close the door.

The door cannot be locked if the power switch is in ACCESSORY or
ON mode, or the electronic key is left inside the vehicle.

The key may not be detected correctly and the door may be locked.

Locking and unlocking the doors from the inside

1
2

Locking the front doors from the outside without a key

282

4-2. Opening, closing and locking the doors

The door cannot be opened from
inside the vehicle when the lock is
set.

Unlock
Lock

These locks can be set to prevent
children from opening the rear
doors. Push down on each rear
door switch to lock both rear doors.

The following functions can be set or canceled:

For instructions on customizing, refer to P. 749.

Rear door child-protector lock

1
2

Automatic door locking and unlocking systems

Function

Operation

Shift position linked door
locking function

Shifting the shift position to any positions other
than P locks all the doors.

Shift position linked door
unlocking function

Shifting the shift position to P unlocks all the
doors.

Speed linked door lock-
ing function

All the doors are locked when the vehicle speed
is approximately 12 mph (20 km/h) or higher.

Driver’s door linked door
unlocking function

All the doors are unlocked when the driver’s
door is opened within approximately 45 seconds
after turning the power switch off.

283

4-2. Opening, closing and locking the doors

Op
eration

f each

compo

nen
t

■

Switching the door unlock function

It is possible to set which doors the entry function unlocks.

Turn the power switch off.

When the indicator on the key surface is turned off, push and hold

, “A/C”

for approximately 5 seconds while pushing the

button on the

key.

The setting changes each time an operation is performed, as shown below.
(When changing the setting continuously, release the buttons, wait for at least
5 seconds, and repeat step .)

■

Using the mechanical key

The doors can also be locked and unlocked with the mechanical key.
(



P. 708)

■

Open door warning buzzer

If the vehicle speed reaches 3 mph (5 km/h), the master warning light flashes
and a buzzer sounds to indicate that the door(s) is not fully closed.
The open door(s) is displayed on the multi-information display.

■

Conditions affecting the operation of the smart key system or wireless
remote control



P. 293

Multi-information

display

Unlocking doors

Beep

Hold the driver’s door handle
to unlock only the driver’s
door.

Exterior: Beeps three
times
Interior: Pings once

Hold the passenger’s door
handle or back door opener
to unlock all the doors.

Hold the front door handle or
back door opener to unlock
all the doors.

Exterior: Beeps twice
Interior: Pings once

284

4-2. Opening, closing and locking the doors

■

Rear seat reminder function

●

In order to remind you not to forget luggage, etc. in the rear seat, when the
power switch is turned off after any of the following conditions are met, a
buzzer will sound and a message will be displayed on the multi-information
display for approximately 6 seconds.
• The hybrid system is started within 10 minutes after opening and closing

a rear door.

• A rear door has been opened and closed after the hybrid system was

started.

However, if a rear door is opened and then closed within approximately 2
seconds, the rear seat reminder function may not operate.

●

The rear seat reminder function determines that luggage, etc. has been
placed in a rear seat based on opening and closing of a rear door. There-
fore, depending on the situation, the rear seat reminder function may not
operate and you may still forget luggage, etc. in the rear seat, or it may
operate unnecessarily.

●

The rear seat reminder function can be enabled/disabled. (



P. 749)

■

Customization

Settings (e.g. unlocking function using a key) can be changed.
(Customizable features:



P. 749)

WARNING

■

To prevent an accident

Observe the following precautions while driving the vehicle.
Failure to do so may result in a door opening and an occupant could be
thrown out of the vehicle, resulting in death or serious injury.

●

Ensure that all doors are properly closed and locked.

●

Do not pull the inside handle of the doors while driving.
Be especially careful for the front doors, as the doors may be opened even
if the inside lock buttons are in locked position.

●

Set the rear door child-protector locks when children are seated in the rear
seats.

■

When opening or closing a door

Check the surroundings of the vehicle such as whether the vehicle is on an
incline, whether there is enough space for a door to open and whether a
strong wind is blowing. When opening or closing the door, hold the door
handle tightly to prepare for any unpredictable movement.

■

When using the wireless remote control and operating the power win-
dows

Operate the power window after checking to make sure that there is no pos-
sibility of any passenger having any of their body parts caught in the side
window. Also, do not allow children to operate the wireless remote control. It
is possible for children and other passengers to get caught in the power
window.

285

4-2. Opening, closing and locking the doors

Op
eration

f each

compo

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t

Back door

◆

Smart key system (if equipped)

Carry the electronic key to enable this function.

Locks all the doors

Check that the door is securely
locked.

Unlocks all the doors

The doors cannot be unlocked
for 3 seconds after the doors are
locked.

◆

Wireless remote control



P. 280

◆

Door lock switches



P. 281

Raise the back door while pushing
up the back door opener switch.

The back door can be unlocked/locked and opened/closed by
the following procedures.

Opening the back door from outside the vehicle

286

4-2. Opening, closing and locking the doors

Lower the back door using the
back door handle, and make sure
to push the back door down from
the outside to close it.

Be careful not to pull the back door
sideways when closing the back
door with the handle.

■

Luggage compartment light

The luggage compartment light turns on when the back door is opened with
the luggage compartment light switch on.

■

If the back door opener is inoperative

The back door can be unlocked from the inside.

When closing the back door

On
Off
When the power switch is turned off, the
light will go off automatically after 20
minutes.

Remove the cover.
To prevent damage, cover the tip of the
screwdriver with a rag.

Move the lever.

287

4-2. Opening, closing and locking the doors

Op
eration

f each

compo

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WARNING

Observe the following precautions.
Failure to do so may result in death or serious injury.

■

Before driving

●

Make sure that the back door is fully closed. If the back door is not fully
closed, it may open unexpectedly while driving and hit near-by objects or
luggage in the luggage compartment may be thrown out, causing an acci-
dent.

●

Do not allow children to play in the luggage compartment.
If a child is accidentally locked in the luggage compartment, they could
have heat exhaustion or other injuries.

●

Do not allow a child to open or close the back door.
Doing so may cause the back door to open unexpectedly, or cause the
child’s hands, head, or neck to be caught by the closing back door.

■

Important points while driving

●

Keep the back door closed while driving.
If the back door is left open, it may hit near-by objects or luggage in the
luggage compartment may be thrown out, causing an accident.

●

Never let anyone sit in the luggage compartment. In the event of sudden
braking, sudden swerving or a collision, they are susceptible to death or
serious injury.

288

4-2. Opening, closing and locking the doors

WARNING

■

Operating the back door

Observe the following precautions.
Failure to do so may cause parts of the body to be caught, resulting in death
or serious injury.

●

Remove any heavy loads, such as snow and ice, from the back door
before opening it. Failure to do so may cause the back door to suddenly
shut again after it is opened.

●

When opening or closing the back door, thoroughly check to make sure
the surrounding area is safe.

●

If anyone is in the vicinity, make sure they are safe and let them know that
the back door is about to open or close.

●

Use caution when opening or closing the back door in windy weather as it
may move abruptly in strong wind.

●

Do not pull on the back door damper stay to close the back door, and do
not hang on the back door damper stay.
Doing so may cause hands to be caught or the back door damper stay to
break, causing an accident.

●

If a bicycle carrier or similar heavy object is attached to the back door, it
may suddenly shut again after being opened, causing someone’s hands,
head or neck to be caught and injured. When installing an accessory part
to the back door, using a genuine Toyota part is recommended.

●

The back door may suddenly shut if it is
not opened fully. It is more difficult to
open or close the back door on an
incline than on a level surface, so
beware of the back door unexpectedly
opening or closing by itself. Make sure
that the back door is fully open and
secure before using the luggage com-
partment.

●

When closing the back door, take extra
care to prevent your fingers etc. from
being caught.

●

When closing the back door, make sure
to press it lightly on its outer surface. If
the back door handle is used to fully
close the back door, it may result in
hands or arms being caught.

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Toyota Prius Prime (2022 year). Manual in english — page 17

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